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2> clean up the radiometers (4:09-4:15pm) Notice that the sensors are generally dirtier than other sites; recommend to clean up the sensor every visit.
3> take soil samples (4:07-4:15pm), marked as 1:0-3cm and 1:3-6cm (3-6cm sample may not be perfect,since a piece of brick was in the sample tube -- explaining why taking this core took a bit of effort! I would still use this measurement as typical of the "soil".) Soil was damp and sticky.
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